Here Is Why You Probably Use numpy.std Incorrectly

How to estimate the standard deviation correctly in Python

Dr. Leon Eversberg
Towards AI
Published in
4 min readDec 17, 2022

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A bell-shaped normal distribution. Image by OpenClipart-Vectors on Pixabay

A normally distributed population with size N can be described with its mean μ and its standard deviation σ. This distribution is also known as a bell curve.

The standard deviation (std) can be computed using Eq. 1.

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